save project

diy2.py

+cost={'苹果':5.2,'山竹':12.9,'香蕉':2.4,'荔枝':15,'葡萄':9.3,'桂圆':8,'蓝莓':10,'李子':8}
+k=input('请输入水果名称')
+v=input('请输入水果价钱')
+if k in cost:
+    if float(v)<cost[k]:
+        cost[k]=flaot(v)
+        print(k+'降价了,现价'+v+'元')
+    else:
+        print(k+'降价了,我们不买')
+else:
+    cost[k]=float(v)
+    print(k+'的价钱'+v+'元以上传')
+